harsh-apcr / Compression-Algorithms-ELL786

ELL786 , Implementation of various compression algorithms (for text and images) in python

ELL786

Assignment 1

1. Implemented Error Correction and Compression Coding via Huffman + Repetition , Extended Huffman + Repetition , Arithmetic + Repetition through a noisy channel
2. Implemented Image compression via Discrete Wavelet Transform
3. Results and observations of above compression techniques are summarised in ELL786-A1/REPORT.pdf

Assignment 2

1. Implemented LZW (Lempel-Ziv-Welch) encoder for text and image compression
2. Implemented GIF,PNG,JPEG-LS lossless image compression algorithms
3. Comparison of their performances are summarized in ELL786_A2/REPORT.pdf